Abstract: The present disclosure relates to a protein composition having a joint repair function. Preparation of the protein composition comprises the following steps: adding any one of or a combination of a nuclease or Benzonase nuclease of 20 U/mL-35 U/mL into a cell protein extract, placing same at 37° C.±1° C. for enzymatic hydrolysis for 15-40 minutes, and separating and purifying the prepared enzymatic hydrolysate to obtain the protein composition. The protein composition obtained in the present disclosure has the effects of cell repair, joint repair, or cartilage repair, and is used for preventing and treating any one of or a complication of traumatic arthropathy, degenerative osteoarthropathy, joint injury, refractory wound lesions, knee osteoarthrosis, or cartilage injury.

Abstract: Disclosed are a cyclopiperidine compound, a preparation method therefor, and a use thereof. The cyclopiperidine compound of the present invention is represented by formula I?. The cyclopiperidine compound of the present invention has a better effect for suppressing depression and has good application prospects.

Abstract: Disclosed is a touch sensing system, including a detected capacitor Cm. A transmitting electrode and a receiving electrode of a sensor are arranged at two ends of the detected capacitor Cm, and one end of the detected capacitor Cm corresponding to the receiving electrode is connected to a modulation module via a GM module. An excitation signal is input from the transmitting electrode. The GM module converts a charge transferred to the receiving electrode into a current and outputs same to the modulation module, and the modulation module performs integration and modulation according to the current to obtain an output parameter characterizing the detected capacitor Cm. Provided is a touch sensing system to reduce chip area and power consumption and improve the reliability of touch sensing.

Abstract: The disclosure discloses a transmission system capable of implementing four-wheel drive and an operating model thereof. The transmission system includes an odd shift motor, an even shift motor, a front-wheel drive shaft, a rear-wheel drive shaft, a front-wheel output shaft gear disposed on the front-wheel drive shaft, and a rear-wheel output shaft gear disposed on the rear-wheel drive shaft. The front-wheel output shaft gear and the rear-wheel output shaft gear are connected by a front/rear drive shaft coupling sleeve. In the disclosure, coordinated control of two motors allows the motors to operate with high efficiency to the maximum, which improves the efficiency of the transmission system. A four-wheel drive model and a two-wheel drive model are implemented through the coordinated control of two motors. Moreover, in the disclosure, sensor information is used to synchronously control a rotational speed during gear shift, which can reduce the impact during the gear shift.

Abstract: A heat exchanger includes a housing, and a combustion chamber, a heat exchange chamber, and a condensation chamber provided inside the housing and sequentially arranged along a flue gas flow direction in the housing. The heat exchanger further includes combustion-chamber heat-exchange tubes provided in the combustion chamber, heat-exchange-chamber heat-exchange tubes provided in the heat exchange chamber and in communication with the combustion-chamber heat-exchange tubes, and condensation-chamber heat-exchange tubes provided in the condensation chamber and in communication with the heat-exchange-chamber heat-exchange tubes.

Abstract: A laser and cutting machining apparatus includes a laser cutting device, and the laser cutting device includes a housing, a guide plain shaft, and a machining mechanism. The guide plain shaft is arranged in the housing, and the machining mechanism includes a laser shell slidably connected to the guide plain shaft, a laser device arranged in the laser shell, and a cutter mechanism arranged in the laser shell; the laser device and the cutter mechanism is movable with the laser shell along the guide plain shaft relative to the housing. The laser and cutting machining apparatus integrates the laser device and the cutter mechanism, is simple and convenient to operate, and can perform laser engraving and cutter cutting on a workpiece by a laser or a cutter, thereby achieving the tabletop and miniaturized configuration of the laser and cutting machining apparatus.

Abstract: A purification method and system for a lithium-extraction dissolving-solution of an aluminum electrolysis waste, the method includes: adding an alkaline mixture to the lithium-extraction dissolving-solution until a pH of the lithium-extraction dissolving-solution reaches a first target pH, and filtering the lithium-extraction dissolving-solution to obtain a first filtrate after performing a first reaction in the lithium-extraction dissolving-solution; the first target pH is 11.5˜12; and adding a decalcification agent and a catalyst to the first filtrate until a pH of the first filtrate reaches a second target pH, and filtering the first filtrate to obtain a purified dissolving-solution after performing a second reaction in the first filtrate, the second target pH being 11.5˜12.

Abstract: A display substrate, a method of manufacturing the display substrate, a display panel, and a display device are provided. The display panel includes: an array substrate and an opposite substrate disposed opposite to each other; a liquid crystal layer between the array substrate and the opposite substrate; a first support component on a side of the array substrate facing the liquid crystal layer; and a second support component on a side of the opposite substrate facing the liquid crystal layer. An end portion of a side of the first support component facing away from the array substrate is contacted with an end portion of a side of the second support component facing away from the opposite substrate, and a contact surface has a concave-convex structure.

Abstract: The present disclosure relates to a neural repair protein composition. The preparation thereof includes the following steps: adding 20 U/mL-35 U/mL of any one of or a combination of nuclease or omnipotent nuclease to a cell protein extract, performing enzymatic hydrolysis at 37° C.±1° C. for 15-40 minutes, and separating and purifying the prepared enzymatic hydrolysate. The neural repair protein composition of the present disclosure has the effects of cell repair and nerve damage repair, and can be used to repair nerve damage caused by diseases such as central nervous system damage, neurodegenerative diseases, stroke, brain damage, ataxia, cerebral hemorrhage, Alzheimer's disease, Parkinson's disease, senile dementia or complications thereof. It has the advantages of good stability, high bioavailability, safety and effectiveness, and is easy to produce and store.

Abstract: A spectral sensor that integrates a series of luminescent materials on a specially designed semiconductor substrate, providing full range spectral coverage from about 200 nm to about 1700 nm in wavelength (UVA-UVB-VIS-NIRI-NIRII). Components of this sensor solution include: an architecture on gold-coated ceramic substrate, a series of metal oxide emitters in the UV wavelength region (200-400 nm), a series of organic emitters in the visible wavelength region (400-800 nm), a series of organic emitters in the near-infrared wavelength region (800-1700 nm), a complementary metal-oxide-semiconductor (CMOS) UV-Vis detection (200-950 nm), an Indium gallium arsenide (InGaAs) window for NIR detection (950-1700 nm), and a micro-circuit to control illumination/detection in time series with Fourier transform filtering to remove environmental noise and to isolate signals.

Abstract: Disclosed are a tricyclic compound, and a preparation method therefor and the use thereof. The tricyclic compound has a structure as shown in formula I, and can be used for treating various mental diseases and neurodegenerative diseases such as schizophrenia, depression and Parkinson's disease.

Abstract: Provided is a display module, including a base substrate, a plurality of light-emitting patterns, and a plurality of microlens groups corresponding to the light-emitting patterns. An orthographic projection region of at least one of the light-emitting patterns on the base substrate forms a primary display region. The plurality of microlens groups are disposed on a side, distal from the base substrate, of the plurality of light-emitting patterns. An orthographic projection of the microlens group on the base substrate is within the primary display region formed by the corresponding light-emitting pattern. The microlens group includes at least two microlens structures, and a gap is defined between any adjacent two microlens structures. The light-emitting pattern includes a target region. An orthographic projection of the target region on the base substrate is overlapped with an orthographic projection of the gap on the base substrate. The target region does not emit light.

Abstract: Provided is a protein composition for repairing hair follicles for repairing hair follicles, wherein the preparation method therefor comprises the following steps: adding any one of or a combination of 20 U/mL-35 U/mL of a nuclease or an omnipotent nuclease to a cell protein extract, performing enzymatic hydrolysis at 37° C.±1° C. for 15-40 minutes, and separating and purifying the prepared enzymatic hydrolysate. The obtained cell protein extract and protein composition have the effects of repairing damaged hair follicle cells, efficiently repairing damaged hair follicles and significantly improving the activity of hair follicle, and have the advantages of a high purity, a good stability, being safe and effective, and effectively solving the problems of living cells needing to be refrigerated, and the activity thereof being limited by cell viability duration, etc.

Abstract: A method for constructing episodic memory model based on rat brain visual pathway and entorhinal-hippocampal structure mainly applied to environment cognition and navigation of an intelligent mobile robot to complete tasks of environment cognition map construction and target-oriented navigation is provided. The image information of the environment, the head-direction angle and speed of the robot are collected, and then the head-direction angle and speed of the robot are input into the entorhinal-hippocampal CA3 neural computational model to obtain the robot's precise position. The visual information is input into the computational model of the visual pathway to obtain the scene information in the current vision of the robot. The above two kinds of information are fused and stored in a cognitive node with the topological relationship.

Abstract: A biological sample image collection device (100), comprising support (30) and an optical imaging assembly (50), also comprises: a plurality of movable platforms (40) for placing biological samples (20), wherein the plurality of movable platforms (40) are arranged on the support (30) in an array; the plurality of movable platforms (40) can move relative to the support (30); and forces acting on the support (30) during the movement of the movable platforms can cancel each other out, so as to avoid vibrations affecting the support (30) and the biological samples (20) are canceled. The optical imaging assembly (50) collects images of the biological samples (20) on the movable platforms (40) when the plurality of movable platforms (40) move, relative to the center of the array, in the same direction and at the same speed. Further provided is a gene sequencer including the biological sample image collection device (100).

Abstract: A self-propelled residual film recycling integrated machine is provided, which includes a straw crushing device, a picking and impurity cleaning device, a cab, an air intake system, a film removing and conveying device, a round bale baler, a suspension system, a traveling chassis, and a film unloading bracket. The straw crushing device is assembled at a front end of the traveling chassis in a three-point suspension mode, the picking and impurity cleaning device is installed at a belly of the traveling chassis, and the film removing and conveying device is installed diagonally upwards and backwards of the picking and impurity cleaning device. The round bale baler is installed at a tail of the traveling chassis and is behind the film removing and conveying device, the film unloading bracket is installed below the round bale baler, and the suspension system is arranged on the traveling chassis.

Abstract: The present application provides a computer numerical control (CNC) machine, a machining method and a device thereof. The method includes: acquiring spatial locations of measuring points for a machined object; establishing mapping relationships between the measuring points according to the spatial locations of the measuring points; and matching the mapping relationships according to a target processing graphic and carrying out machining of the target processing graphic on the machined object.

Abstract: A processing control method, a processing device, a processing system are provided. The method includes the following. A light beam is emitted to a processing object to form a light beam coverage region on the processing object through lights in the light beam. Positional information of pixel points mapped by the measurement points is obtained from an image corresponding to the light beam coverage region. Coordinate information of each measurement point in the light beam coverage region is obtained according to a pre-configured calibration relationship and the positional information of the pixel points.

Abstract: Compositions and methods are provided herein for treating intestinal glycocalyx dysfunction. The composition can comprise a chito-oligosaccharide (COS), and optionally a human milk oligosaccharide (hMO) in an amount sufficient to maintain an intestinal glycocalyx and a pharmaceutically acceptable carrier. The composition can be formulated as an oral dosage form or a parenteral dosage form. The method can comprise identifying intestinal glycocalyx dysfunction in the subject. The method can further comprise administering to the subject a COS in an amount and at a frequency sufficient to prevent, stabilize and reverse damage in the intestinal glycocalyx.

Abstract: The present invention relates to a mining hose connecting device and method, and belongs to the field of underground hydraulic equipment for coal mines. The mining hose connecting device comprises a joint unit, wherein the joint unit comprises a first joint and a second joint; a first fastening unit, wherein the first fastening unit is arranged symmetrically about a first plane, and the inner diameter of the first fastening unit is respectively in clearance fit with the outer diameters of the first joint and the second joint; and a second fastening unit, comprising a first fastener and a second fastener, wherein the inner diameters of the first fastener and the second fastener are respectively in clearance fit with the outer diameter of the first fastening unit.